Presentation on theme: "Domain dynamics in Co/Pt/Co/Pt/Co/IrMn M. Czapkiewicz."— Presentation transcript:
Domain dynamics in Co/Pt/Co/Pt/Co/IrMn M. Czapkiewicz
New domain nucleation: N(t)=N 0 (1-exp(-Rt)) Fatuzzo: cylindric domains nucleation and growth B(t)= exp ( -2k 2 ( 1-(1 -(Rt+1/k) +0.5(Rt+1/k) 2 –e -Rt (1-1/k) –0.5k 2 (1-Rt) ) ) where k=v/Rr, v i R increase with z H, k const R=R 0 exp [ -(W N -2HM S V N )/k B T ] v=v 0 exp [ -(W P -2HM S V P )/k B T ]
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